Gallery: Republican candidates race to the finish

Republican presidential candidates race across Iowa in the hopes of swaying undecided voters.

Republican presidential candidate, former Massachusetts Gov. Mitt Romney, speaks as his wife Ann Romney and their sons look on at the Hotel Fort Des Moines on the night of the Iowa Caucuses January 3, 2012 in Des Moines, Iowa. According to early results former Romney is expected to finish first or second in today's Iowa GOP caucus after a tight race with former U.S. Sen. Rick Santorum and U.S. Rep. Ron Paul (R-TX).

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